Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
Components
| Ref | Kind | Part | Exclude from BOM |
|---|---|---|---|
| MAINRELAYEFI-R | connector | ||
| OEM-A | connector | ||
| OEM-B | connector | ||
| OEM-C | connector | ||
| OEM-D | connector | ||
| SP-14V | splice | ||
| SP-GND | splice |
Create part
Cut list
Lengths need a layout (0 of 6 routed).
| Wire | From / To | Gauge | Signal |
|---|---|---|---|
| W1 | OEM-D-4A / SP-14V-1 | 0.85 | ECU main power (+12V via main relay/ECR) |
| W2 | OEM-D-4E / SP-14V-1 | 0.85 | ECU main power (+12V via main relay/ECR) |
| W3 | SP-14V-1 / MAINRELAYEFI-R-COIL+ | 0.85 | Relay coil positive (ignition-switched +12V) |
| W4 | OEM-A-1AF / SP-GND-1 | 0.85 | Power ground |
| W5 | OEM-A-1AJ / SP-GND-1 | 0.85 | Power ground |
| W6 | OEM-A-1L / SP-GND-1 | 0.85 | Power ground |
Bill of materials
No parts in this harness.